package com.ruoyi.common.core.domain;

import java.io.Serializable;
import java.util.HashMap;

import com.ruoyi.common.constant.HttpStatus;

/**
 * 响应信息主体
 *
 * @author ruoyi
 */
public class R<T> extends HashMap<String, Object> implements Serializable{
    private static final long serialVersionUID = 1L;

    /**
     * 成功
     */
    public static final int SUCCESS = HttpStatus.SUCCESS;

    /**
     * 失败
     */
    public static final int FAIL = HttpStatus.ERROR;

    public static <T> R<T> ok() {
        return restResult(null, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok(T data) {
        return restResult(data, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok(T data, String msg) {
        return restResult(data, SUCCESS, msg);
    }

    public static <T> R<T> fail() {
        return restResult(null, FAIL, "操作失败");
    }

    public static <T> R<T> fail(String msg) {
        return restResult(null, FAIL, msg);
    }

    public static <T> R<T> fail(T data) {
        return restResult(data, FAIL, "操作失败");
    }

    public static <T> R<T> fail(T data, String msg) {
        return restResult(data, FAIL, msg);
    }

    public static <T> R<T> fail(int code, String msg) {
        return restResult(null, code, msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg) {
        R<T> apiResult = new R<>();
        apiResult.put("code",code);
        apiResult.put("data",data);
        apiResult.put("msg",msg);
        return apiResult;
    }

    @Override
    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }

    public int getCode() {
        return (int)this.get("code");
    }

    public void setCode(int code) {
        this.put("code",code);
    }

    public String getMsg() {
        return (String) this.get("msg");
    }

    public void setMsg(String msg) {
        this.put("msg",msg);
    }

    public T getData() {
        return (T)this.get("data");
    }

    public void setData(T data) {
        this.put("data", data);
    }

    public static <T> Boolean isError(R<T> ret) {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret) {
        return R.SUCCESS == ret.getCode();
    }
}
